Clinical Medicine and Public Health Tasks

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Questions and Answers

What happens to enzyme activity as body temperature increases?

Enzyme activity first increases and then stabilizes.

Enzyme activity decreases until it disappears. (correct)

Enzyme activity increases steadily.

Enzyme activity remains unchanged regardless of temperature.

What structural change occurs to enzymes due to increased body temperature?

The enzyme forms new active sites without losing structure.

The enzyme remains in the same conformation regardless of temperature.

The enzyme's polypeptide chain becomes shorter and more rigid.

The enzyme experiences denaturation leading to loss of function. (correct)

How does increased temperature affect the catalytic center of an enzyme?

It enhances the binding affinity of substrates.

It may alter the structure, reducing enzymatic activity. (correct)

It allows the catalytic center to become more stable.

It causes the enzyme to replicate faster.

Which statement correctly describes the relation between enzyme conformation and temperature?

Increased temperature can lead to unfavorable conformational changes. Signup and view all the answers

What role does the tertiary structure of an enzyme play in its function?

It is essential for forming the catalytic center capable of catalyzing reactions. Signup and view all the answers

Which of the following elements possesses two unpaired electrons in its outer shell in the ground state?

Si Signup and view all the answers

Which series contains only acidic oxides?

V2O5; CrO3; TeO3; Mn2O7 Signup and view all the answers

How many structural isomers can be formed from the molecular formula C3H8O?

3 Signup and view all the answers

Which subclass does the compound represented in the figure belong to?

glycerophospholipids Signup and view all the answers

Which of the following is considered a vegetative organ of a plant?

root Signup and view all the answers

In a diheterozygous organism where non-allelic genes are not linked, what is the probability of producing gametes with both recessive alleles?

25% Signup and view all the answers

Which is the molecular formula for a compound with structural isomers that could potentially include an alcohol?

C3H8O Signup and view all the answers

What is the primary characteristic of the acidic oxides produced from vanadium and chromium?

They react to form salts with strong acids. Signup and view all the answers

Which of the following vessels is associated with the right chambers of the heart?

Pulmonary arteries Signup and view all the answers

What is the main characteristic of the reproductive system in parasitic organisms mentioned?

Well-developed reproductive system Signup and view all the answers

Which oxygenation state is associated with the inferior vena cava?

Venous blood Signup and view all the answers

What type of blood is carried by the aorta?

Oxygenated blood Signup and view all the answers

What impact does an increase in body temperature over 38°C have on the digestive tract?

Disorders such as diarrhea Signup and view all the answers

Which of the following correctly describes the pulmonary circulation?

Consists of the pulmonary arteries and pulmonary veins Signup and view all the answers

What anatomical feature is reduced in parasitic organisms as mentioned?

Sense organ complexity Signup and view all the answers

Which chamber of the heart is associated with the aorta?

Left ventricle Signup and view all the answers

What is the classification of the organism known as green or blue mold?

Kingdom Fungi Signup and view all the answers

Which of the following is a characteristic feature of fungi?

Glycogen as a reserve carbohydrate Signup and view all the answers

What is the medical significance of the Penicillium organism?

Source of Penicillin antibiotic Signup and view all the answers

In which phylum and class are tapeworms classified?

Phylum Platyhelminthes, Class Cestoda Signup and view all the answers

What adaptation is NOT typically found in parasitic organisms?

Ability to photosynthesize Signup and view all the answers

Which animal listed is not classified as a parasite?

Milk planaria Signup and view all the answers

How can a patient become the final host of a parasitic worm?

Ingesting contaminated water Signup and view all the answers

What anatomical structures does the Eustachian tube connect?

Pharynx and middle ear Signup and view all the answers

Which type of chromosomes do sexual dimorphism relate to?

Different sex chromosomes Signup and view all the answers

Which biological property contributes to the extensive growth of fungi?

Mycelium structure Signup and view all the answers

Which of the following compounds has an sp2 hybridized central atom?

BH3 Signup and view all the answers

Which of the following salts decomposes thermally to produce both acidic and basic oxides?

CuCO3 Signup and view all the answers

Which of the following best describes the dietary habits of fungi?

Absorptive heterotrophs Signup and view all the answers

Which monosaccharides are not components of glycogen?

D-Galactose Signup and view all the answers

Which statement regarding alkenes and cycloalkanes is accurate?

Alkenes are isomeric with cycloalkanes. Signup and view all the answers

Which of the following is an example of idioadaptation?

Protective coloration in animals Signup and view all the answers

Which characteristics are common in members of the phylum Chordata?

Triploblasty Signup and view all the answers

If an alkene undergoes oxidation yielding 2-pentanone, how many carbon atoms did the original alkene possess?

10 Signup and view all the answers

The dog tick and taiga tick are classified under which category?

Arachnids Signup and view all the answers

Given that both parents have IV(AB) blood type, which blood type(s) could their child inherit?

A(II), B(III), AB(IV) Signup and view all the answers

In a pedigree showing a trait that follows a certain inheritance pattern, how is the trait passed from father to daughters?

X-linked dominant inheritance Signup and view all the answers

At a temperature of 80оC, if the rate of a reaction equals 81 mole/(l·sec), which of the following statements is true?

The rate may increase with further temperature rise. Signup and view all the answers

Which gene interaction could lead to a left-handed child if both parents are heterozygous?

Autosomal recessive Signup and view all the answers

Which statement is true regarding the internal skeleton of Chordates?

Chordates may possess either an internal skeleton or no skeleton. Signup and view all the answers

Study Notes

Clinical Medicine and Public Health: Open Doors Sample Tasks

Total Tasks: 33 tasks
Entry Level Tasks: 20, worth 0-1 point each
Intermediate Level Tasks: 10, worth 0-5 points each
Advanced Tasks: 3, constructed response, worth 0-10 points each

Pharmacology

Task 1 (Entry Level): Choose the element with two unpaired electrons in its outer shell in the ground state. Correct answer: Si
Task 2 (Entry Level): Identify the series containing only acidic oxides. Correct answer: V₂O₅, CrO₃, TeO₃, Mn₂O₇
Task 3 (Entry Level): Determine the number of structural isomers for C₃H₈O. Correct answer: 3
Task 4 (Entry Level): Classify the compound shown in the figure. Correct answer: glycerophospholipids

Dentistry, Oral Surgery, & Medicine

Task 6 (Entry Level): Calculate the probability of gametes with both recessive alleles in a diheterozygous organism (if non-allelic genes are not linked). Correct answer: 25%
Task 5 (Entry Level): Identify a vegetative organ of a plant. Correct answer: root

Public Health

Task 16 (Entry Level): Identify a viral disease. Correct answer: Ebola fever
Task 17 (Entry Level): Which phylum of the Animal Kingdom contains the highest number of species? Correct answer: Arthropoda.
Task 18 (Entry Level): Describe the function of rods in the retina. Correct answer: Black-and-white vision and brightness
Task 19 (Entry Level): Identify the ions that react when AgNO₃ is added to KCl. Correct answer: Ag⁺ and Cl⁻

Additional tasks

Task 12 (Entry Level): Classify dog and taiga ticks. Correct answer: Arachnids
Task 13 (Entry Level): Determine possible blood types of a child with IV blood type in both parents. Correct answer: A(II), B(III), or AB(IV)
Task 14 (Entry Level): Calculate the temperature at which the rate of a reaction is 3 mole/(l.sec), given the starting rate of 81 mole/(l.sec) and a temperature coefficient of 3. Correct answer: 50°C
Task 20 (Entry Level): Identify oxides that react with water. Correct answer: P₂O₅ and CaO.
Task 21 (Intermediate Level): List the correct evolutionary sequence of plants. Correct answer: Algae, Mosses, Ferns, Gymnosperms, Flowering plants.
Task 22 (Intermediate Level): Identify what a-amylase breaks down (choose multiple). Correct answers: glycogen and starch.
Task 23 (Intermediate Level): Identify organisms that have cell walls. Correct answers: ferns, fungi, and Escherichia coli
Task 24 (Intermediate Level): Select correct statements about immunity (choose multiple correct answers). Correct answers: Innate and acquired immunity; antigen-presenting cells are macrophages, B cells, and dendritic cells; Acquired immunity has a cellular and humoral component
Task 25 (Intermediate Level): Calculate the volume of a sulfuric acid solution needed to prepare a solution. Correct answer: 33.29 ml.
Task 26 (Intermediate Level): Identify components of sperm cells. Correct answers: different sex chromosomes, identical sets of autosomes, and non-homologous chromosomes
Task 27 (Intermediate Level): Identify the compound that leads to the mutual formation of a basic and an acidic oxide during thermal decomposition. Correct answer: CuCO3.
Task 28 (Intermediate Level): Identify the monosaccaride units that are NOT present in Glycogen (choose multiple correct answers). Correct answers: L-Glucose, L-Fructose, D-Xylose, D-Galactose
Task 29 (Intermediate Level): Describe the characteristics of Chordata. Correct answers: Triploblasty, Secondary body cavity (coelom), Deuterostomia, Bilateral symmetry.
Task 30 (Intermediate Level): Determine the number of carbon atoms in an alkene that forms 2-pentanone upon oxidation with potassium permanganate. Correct answer: 5.
Task 31 (High Level): Determine the inheritance pattern in a family-history analysis of a trait observed in every generation. Correct answer: X-linked dominant. Calculate the probability of a left-handed child from parents with the given disease where the parents are affected and heterozygous. Correct answer: 3/16 = 18.75%
Task 32 (High Level): Identify the phylum and class of a parasitic worm. Correct answer: Phylum Platyhelminthes, Class Cestoda (tapeworms)
Task 33 (High Level): Explain the effects of increased body temperature on digestive enzyme activity. Correct Answer: Enzyme activity decreases with increasing temperature until it disappears. And the reasons are that the conformations of the proteins (including digestive enzymes) change, and even denature with rising temp.

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Description

Test your knowledge in Clinical Medicine and Public Health with this series of open-door sample tasks. This quiz covers various entry, intermediate, and advanced level tasks related to pharmacology and dentistry. Challenge yourself and see how well you understand these crucial fields!