Question 1

Which of the following is NOT an ingredient of cerebrospinal fluid (CSF)?

Accepted Answer

Red blood cells

Question 2

A patient presents with an inability to coordinate voluntary movements and maintain balance. Which brain structure is most likely affected?

Accepted Answer

Cerebellum

Question 3

Which neurotransmitter is primarily associated with the function of the limbic system and emotional regulation?

Accepted Answer

Dopamine

Question 4

When is the parasympathetic nervous system most active?

Accepted Answer

During rest and digestion

Question 5

Which of the following best describes the function of the sarcolemma in muscle cells?

Accepted Answer

Acts as the plasma membrane, conducting action potentials

Question 6

A patient with hypoparathyroidism is likely to experience which of the following symptoms?

Accepted Answer

Muscle spasms due to low blood calcium

Question 7

Which of the following is a characteristic of simple cuboidal epithelium?

Accepted Answer

Single layer of cube-shaped cells

Question 8

Which organelle is responsible for recycling cellular material?

Accepted Answer

Lysosome

Question 9

Which hormone is released in response to low blood glucose and acts to increase blood sugar levels?

Accepted Answer

Glucagon

Question 10

Which of the following best describes a positive feedback loop in physiology?

Accepted Answer

A process that amplifies a change, moving the system away from equilibrium

Question 11

Which joint type allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 12

Which of the following is a function of the arrector pili muscle in the integumentary system?

Accepted Answer

Causes hair to stand up when contracted

Question 13

Which of the following best describes the 'all or nothing' principle of action potentials?

Accepted Answer

Once threshold is reached, an action potential of fixed size is generated

Question 14

Which of the following is a function of the hypothalamic-hypophyseal portal system?

Accepted Answer

Carries hormones from the hypothalamus to the anterior pituitary

Question 15

Which of the following best describes the function of the medulla oblongata?

Accepted Answer

Regulates vital autonomic functions such as heart rate and breathing

Question 16

Which body plane divides the body into left and right halves?

Accepted Answer

Sagittal plane

Question 17

Which of the following is a function of troponin in muscle contraction?

Accepted Answer

Binds calcium ions to initiate contraction

Question 18

Which of the following is true regarding the function of the parathyroid gland?

Accepted Answer

It increases blood calcium levels by stimulating bone resorption

Question 19

Which system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Circulatory system

Question 20

A patient is experiencing motion sickness. Which general sense is most likely being triggered?

Accepted Answer

Vestibular sense

BIO 207 Anatomy & Physiology Final Exam Study Guide

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