BIOS251: Body Orientation and Homeostasis

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What is the direction of the sagittal plane in the body?

Front to back (correct)
Top to bottom
Side to side
Diagonal

Which type of feedback continues to make corrections until a negative feedback stops it?

Homeostasis
Positive feedback (correct)
Chemical reaction
Negative feedback

What is the charge of an electron?

Variable charge
Positive charge
Neutral charge
Negative charge (correct)

What is the result of not making corrections to restore homeostasis?

Disease (D) Signup and view all the answers

What type of reaction releases energy during the reaction?

Decomposition (A) Signup and view all the answers

What is the purpose of negative feedback in homeostasis?

To stop corrections when homeostasis is restored (D) Signup and view all the answers

What is the main function of the osteogenic layer of the periosteum?

To allow for bone remodeling and growth (A) Signup and view all the answers

What type of joint allows for little movement?

Amphiarthrosis (D) Signup and view all the answers

What is the function of osteoclasts?

To break down and dissolve bone tissue (B) Signup and view all the answers

What is the name of the type of bone cell found in lacunae?

Osteocytes (B) Signup and view all the answers

What is the term for the movement that decreases the angle between articulating bones?

Flexion (D) Signup and view all the answers

What is the function of the diaphysis?

To provide support and protection (D) Signup and view all the answers

What is the pH range of arterial blood?

7.35-7.45 (C) Signup and view all the answers

Where does transcription take place in a cell?

Nucleus (B) Signup and view all the answers

What is the function of keratinocytes in the epidermis?

Producing granules for water-proofing (D) Signup and view all the answers

What is the main function of eccrine sweat glands?

Cooling the body (D) Signup and view all the answers

What is the type of lever system involved in the movement of nodding the head?

First-class lever system (A) Signup and view all the answers

What is the function of the sarcoplasmic reticulum in a muscle cell?

To store calcium ions (B) Signup and view all the answers

What is the correct order of the steps of mitosis?

Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis (C) Signup and view all the answers

What is the function of the epidermis in the skin?

Protect against dehydration and infection (D) Signup and view all the answers

What type of muscle contraction occurs when the muscle lengthens while generating force?

Isotonic eccentric (B) Signup and view all the answers

What is the type of channel that is gated by a neurotransmitter?

Ligand-gated channel (C) Signup and view all the answers

What is the term for the summation of multiple EPSPs resulting in a greater response?

Temporal summation (D) Signup and view all the answers

What is the term for the muscle that is opposing the action of the agonist muscle?

Antagonist muscle (D) Signup and view all the answers