Question 1

Which of the following best describes the primary function of muscle tissue?

Accepted Answer

Produce movement through contractile force

Question 2

The oxygen-binding protein found in muscle cells is ________.

Accepted Answer

Myoglobin

Question 3

Which of the following muscles is NOT primarily involved in the breathing process?

Accepted Answer

Latissimus dorsi

Question 4

Spongy bone contains ________.

Accepted Answer

Trabeculae

Question 5

After nervous stimulation stops, what prevents acetylcholine (ACh) in the synaptic cleft from continuing to stimulate muscle contraction?

Accepted Answer

Acetylcholinesterase breaks apart the ACh

Question 6

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

Accepted Answer

Communication

Question 7

Which of the following cells is responsible for bone resorption?

Accepted Answer

Osteoclast

Question 8

What part of the sarcolemma contains acetylcholine receptors?

Accepted Answer

Motor end plate

Question 9

Which structure in skeletal muscle cells functions in calcium storage?

Accepted Answer

Sarcoplasmic reticulum

Question 10

The pelvic girdle does NOT include the ________.

Accepted Answer

Femur

Question 11

Yellow bone marrow contains a large percentage of ________.

Accepted Answer

Fat

Question 12

Ossification (osteogenesis) is the process of ________.

Accepted Answer

Bone formation

Question 13

The central (Haversian) canal that runs through the core of each osteon is the site of ________.

Accepted Answer

Blood vessels and nerve fibers

Question 14

Prevention of osteoporosis includes adequate intake of ________.

Accepted Answer

Calcium and vitamin D

Question 15

During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to ________.

Accepted Answer

Lactic acid

Question 16

An anaerobic metabolic pathway that results in the production of two net ATPs per glucose plus two pyruvic acid molecules is ________.

Accepted Answer

Glycolysis

Question 17

Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?

Accepted Answer

Parathyroid hormone

Question 18

Which of the following best describes the role of tropomyosin in skeletal muscles?

Accepted Answer

Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules.

Question 19

Which part of the vertebral column receives the most stress by bearing most of the weight of the body?

Accepted Answer

The lumbar region

Question 20

Which tissue forms the model for endochondral ossification?

Accepted Answer

Cartilage

Anatomy & Physiology: Musculoskeletal and Skeletal System Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard