$$\text{ADP} + \text{Creatine Phosphate} \rightarrow \text{ATP} + \text{Creatine}$$

$$E = \frac{RT}{zF} \ln \left( \frac{[\text{Ion}]_{\text{outside}}}{[\text{Ion}]_{\text{inside}}} \right)$$

Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

A joint that allows no movement between bones

Question 2

Which type of synovial joint allows movement in multiple axes, such as the shoulder joint?

Accepted Answer

Ball-and-socket joint

Question 3

During muscle contraction, which event occurs first at the neuromuscular junction?

Accepted Answer

Acetylcholine is released from the motor neuron

Question 4

Which equation correctly represents the regeneration of ATP via creatine phosphate in skeletal muscle?

Accepted Answer

$$	ext{ADP} + 	ext{Creatine Phosphate} ightarrow 	ext{ATP} + 	ext{Creatine}$$

Question 5

A patient presents with loss of sensation and motor function in the lower limbs. Which region of the spinal cord is most likely affected?

Accepted Answer

Lumbar region

Question 6

Which neuroglia cell is responsible for forming the myelin sheath in the central nervous system?

Accepted Answer

Oligodendrocyte

Question 7

Which of the following best describes the difference between isometric and isotonic muscle contractions?

Accepted Answer

Isometric contractions generate tension without changing muscle length, isotonic contractions change muscle length

Question 8

Which of the following is a function of the basal nuclei in the brain?

Accepted Answer

Initiating and controlling voluntary movements

Question 9

Which equation represents the Nernst equation for calculating the equilibrium potential of an ion across a membrane?

Accepted Answer

$$E = \frac{RT}{zF} \ln \left( \frac{[	ext{Ion}]_{	ext{outside}}}{[	ext{Ion}]_{	ext{inside}}} ight)$$

Question 10

Which cranial nerve is primarily responsible for vision?

Accepted Answer

Optic nerve (II)

Question 11

Which of the following best explains why action potentials travel faster in myelinated axons compared to unmyelinated axons?

Accepted Answer

Myelinated axons allow for saltatory conduction

Question 12

Which structure is responsible for producing cerebrospinal fluid (CSF) in the brain?

Accepted Answer

Choroid plexus

Question 13

Which of the following is a correct pathway for the conduction of sound through the ear?

Accepted Answer

Tympanic membrane → ossicles → cochlea → auditory nerve

Question 14

Which of the following best describes the function of stretch receptors in muscles and tendons?

Accepted Answer

They detect changes in muscle length and tension

Question 15

Which neurotransmitter is released by cholinergic fibers in the autonomic nervous system?

Accepted Answer

Acetylcholine

Question 16

A patient is unable to distinguish between hot and cold objects. Which type of sensory receptor is most likely malfunctioning?

Accepted Answer

Thermoreceptors

Question 17

Which of the following best describes the difference between sensation and perception?

Accepted Answer

Sensation is the detection of stimuli, perception is the conscious interpretation of stimuli

Question 18

Which equation best represents the relationship between force, muscle cross-sectional area, and muscle tension?

Accepted Answer

$$F = \sigma \cdot A$$

Question 19

Which of the following is a correct description of the absolute refractory period in a neuron?

Accepted Answer

A period when a neuron cannot fire another action potential regardless of stimulus strength

Question 20

Which of the following best describes the function of the limbic system?

Accepted Answer

Processing emotions and memory

A&P I Final Study Guide: Joints, Muscular System, and Nervous System

Study Guide - Practice Questions