$$Torque = Force \times Lever\ Arm$$

Question 1

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at the sides with palms facing forward, and feet parallel

Question 2

A patient is lying on their back with their face upward. Which anatomical term best describes this position?

Accepted Answer

Supine

Question 3

Which plane divides the body into anterior and posterior sections?

Accepted Answer

Frontal (coronal) plane

Question 4

A cut made along the midsagittal plane would result in:

Accepted Answer

Equal right and left halves

Question 5

Which of the following is a function of the mitochondria in muscle cells?

Accepted Answer

Production of ATP for muscle contraction

Question 6

A histology slide shows a single layer of flat cells lining the alveoli of the lungs. Which type of epithelial tissue is this?

Accepted Answer

Simple squamous epithelium

Question 7

Which connective tissue type is characterized by a rigid matrix containing collagen fibers and is found at the ends of long bones?

Accepted Answer

Hyaline cartilage

Question 8

A patient presents with a lateral curvature of the vertebral column. Which condition does this describe?

Accepted Answer

Scoliosis

Question 9

Which bone contains the foramen magnum?

Accepted Answer

Occipital bone

Question 10

The action of the biceps brachii muscle is to:

Accepted Answer

Flex the forearm at the elbow

Question 11

Which of the following best describes the function of the sarcomere in skeletal muscle?

Accepted Answer

It is the contractile unit responsible for muscle contraction

Question 12

A patient is unable to dorsiflex their foot after an injury. Which muscle is most likely affected?

Accepted Answer

Tibialis anterior

Question 13

Which of the following cranial nerves is responsible for vision?

Accepted Answer

Optic nerve (Cranial Nerve II)

Question 14

Which of the following best describes the function of the myelin sheath in neurons?

Accepted Answer

It increases the speed of nerve impulse conduction

Question 15

A patient has damage to the Broca's area of the brain. Which function is most likely impaired?

Accepted Answer

Speech production

Question 16

Which of the following equations correctly represents the relationship between force, lever arm, and torque in muscle movement?

Accepted Answer

$$Torque = Force 	imes Lever\ Arm$$

Question 17

During the knee-jerk (patellar) reflex, which type of neuron carries the signal from the muscle spindle to the spinal cord?

Accepted Answer

Sensory (afferent) neuron

Question 18

A patient presents with paralysis of the right side of the body after a stroke. Which part of the brain is most likely affected?

Accepted Answer

Left cerebral hemisphere

Question 19

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

Accepted Answer

It binds to receptors on the muscle fiber membrane to initiate muscle contraction

Question 20

A patient is diagnosed with lordosis. Which region of the vertebral column is primarily affected?

Accepted Answer

Lumbar region

Comprehensive Study Guide: Anatomy & Physiology Laboratory Manual Topics

Study Guide - Practice Questions