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Questions and Answers
Which of the following is the MOST direct consequence of a disruption in homeostasis within the body?
Which of the following is the MOST direct consequence of a disruption in homeostasis within the body?
- Increased production of ATP.
- Enhanced efficiency of metabolic processes.
- Compromised ability to maintain a stable internal state. (correct)
- Maintenance of a stable internal environment.
If a cell is placed in a solution where the concentration of solutes is equal inside and outside, what net movement of water will occur across the cell membrane?
If a cell is placed in a solution where the concentration of solutes is equal inside and outside, what net movement of water will occur across the cell membrane?
- Water will move out of the cell only
- Water will move out of the cell at a faster rate.
- There will be equal movement of water in and out of the cell. (correct)
- Water will move into the cell only.
Which of the following BEST describes the role of lysosomes within a cell?
Which of the following BEST describes the role of lysosomes within a cell?
- Generating ATP through cellular respiration.
- Directing cell division.
- Synthesizing proteins for cellular functions.
- Breaking down cellular waste and debris. (correct)
Considering the main functions, which pairing is MOST accurate?
Considering the main functions, which pairing is MOST accurate?
Which of the following is a direct consequence of a break in the skin?
Which of the following is a direct consequence of a break in the skin?
Which characteristic makes neurons uniquely suited for rapid communication?
Which characteristic makes neurons uniquely suited for rapid communication?
Which of the following BEST describes the roles of the hamstring and quadriceps muscles in leg movement?
Which of the following BEST describes the roles of the hamstring and quadriceps muscles in leg movement?
What is the primary source of energy that muscle cells use to fuel contraction?
What is the primary source of energy that muscle cells use to fuel contraction?
In the brain, what is the key function of ventricles?
In the brain, what is the key function of ventricles?
If a patient exhibits the Babinski sign, what does this typically indicate?
If a patient exhibits the Babinski sign, what does this typically indicate?
Flashcards
Axial Skeleton
Axial Skeleton
The axial skeleton includes the skull, spine, and rib cage.
Appendicular Skeleton
Appendicular Skeleton
The appendicular skeleton includes the bones of the arms, legs, shoulders, and pelvis.
Homeostasis
Homeostasis
Maintaining a stable internal environment.
Primary Nerve System Functions
Primary Nerve System Functions
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Elements of Life
Elements of Life
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Metabolism
Metabolism
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Cell Powerhouse
Cell Powerhouse
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Form of Energy in Cells
Form of Energy in Cells
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Lysosomes
Lysosomes
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Nucleus
Nucleus
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Study Notes
- The skeleton is divided into the axial skeleton (skull, spine, and rib cage) and the appendicular skeleton (bones of the arms, legs, shoulders, and pelvis).
- Homeostasis is a state of stability.
- The primary functional nerve systems are the sensory and motor systems.
- The most abundant element of life is oxygen, followed by carbon, nitrogen, and hydrogen.
- Metabolism refers to chemical reactions.
- DNA & RNA are information molecules.
- Mitochondria is the powerhouse of the cell.
- ATP is generally the form of energy used in the cell when looking at mitochondria.
- Lysosomes are interior organelles capable of breaking down cells.
- The nucleus is the command center of the cell.
- A catalyst speeds up a chemical reaction.
- Osmosis occurs when there are equal amounts of solutes inside and outside the cell, resulting in water moving in and out at equal rates.
- Mitosis has different phases
- A stem cell is an undifferentiated cell.
- Synovial fluid lubricates joints.
- Neuron parts include: Dendrite, soma, Axon, Node of Ranvier, Axon terminal, Schwann cell, Myelin sheath, Nucleus
- The main function of bone is support.
- The main function of muscle is movement.
- The main function of skin is protection.
- A break in the skin is a portal of entry.
- Principle types of tissue: epithelial, nervous, connective, and muscle.
- Cytoplasm describes the gel-like nucleus of the cell.
- Rheumatoid arthritis, osteoporosis are two types of bone disease, with rheumatoid arthritis being autoimmune and osteoporosis caused by wear and tear.
- Femur are all the large bones in the leg.
- Sutures describe the fibre connections in the skull.
- The shoulder joint is a multi axial joint.
- The point of attachment when the muscle does not move is the origin.
- Occipitofrontalis is a muscle.
- Neurons are have exilability, can conduct, conductivity.
- A neuron can secrete.
- The quadriceps muscle extends the leg and the thigh.
- The hamstring muscle flexes the leg.
- Muscle tone is a low level of sustained muscle contraction.
- ATP the source of energy obtained in muscle cells.
- Astrocytes are a type of glio.
- The nervous system has multiple functions.
- The endocrine system facilitates growth.
- A nerve impulse is called an action potential.
- Synaptic nobes are at the end of the terminal branch.
- The cerebellum is the second largest part of the brain.
- Ventricles are fluid-filled spaces in the brain.
- A mixed cranial nerve contains sensory and motor neurons.
- The Babinski sign is a reflex.
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