Question 1

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Synthesis of hormones

Question 2

A patient suffers a dislocation of the shoulder joint. What is the correct anatomical term for this condition?

Accepted Answer

Luxation

Question 3

Which of the following bones is classified as a flat bone?

Accepted Answer

Scapula

Question 4

What is the primary function of yellow bone marrow?

Accepted Answer

Storage of fat

Question 5

Which of the following best describes the difference between osteoblasts and osteoclasts?

Accepted Answer

Osteoblasts build bone; osteoclasts break down bone

Question 6

A 25-year-old athlete increases bone density through weight-bearing exercise. Which process best explains this adaptation?

Accepted Answer

Wolff's Law: bone adapts to stress

Question 7

Which of the following is the anatomical name for the cheek bone?

Accepted Answer

Zygomatic bone

Question 8

Which bone does NOT articulate with any other bone in the human body?

Accepted Answer

Hyoid bone

Question 9

Which type of joint allows for the greatest range of motion?

Accepted Answer

Synovial (diarthrosis)

Question 10

A patient presents with inflammation of a joint. What is the medical term for this condition?

Accepted Answer

Arthritis

Question 11

Which of the following best describes the difference between flexion and extension?

Accepted Answer

Flexion decreases the angle between bones; extension increases it

Question 12

Which muscle tissue type is both striated and contains intercalated discs?

Accepted Answer

Cardiac muscle

Question 13

Where is calcium stored in a skeletal muscle fiber?

Accepted Answer

Sarcoplasmic reticulum

Question 14

Which of the following best describes the role of acetylcholine at the neuromuscular junction?

Accepted Answer

It initiates muscle contraction by binding to receptors on the muscle fiber

Question 15

Which of the following is the correct sequence of events during an action potential?

Accepted Answer

Depolarization → Repolarization → Hyperpolarization

Question 16

Which glial cell is responsible for forming myelin in the central nervous system (CNS)?

Accepted Answer

Oligodendrocyte

Question 17

Which neurotransmitter is released by somatic motor neurons to stimulate skeletal muscle contraction?

Accepted Answer

Acetylcholine

Question 18

Which division of the nervous system is responsible for 'rest and digest' activities?

Accepted Answer

Parasympathetic division

Question 19

Which of the following best describes the difference between afferent and efferent neurons?

Accepted Answer

Afferent neurons carry signals toward the CNS; efferent neurons carry signals away from the CNS

Question 20

A patient is unable to perform abduction of the arm. Which movement is impaired?

Accepted Answer

Moving the arm away from the midline

ANP Exam 2 Review: Step-by-Step Study Guidance

Study Guide - Practice Questions