AnswersPA Human Anatomy Physiology A 2026-2027 WHITE ICTest

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Jonas states four interesting facts about bones. Which of Jonas’s statements is incorrect?

A
Some bones have holes through them.
B
Bones are made mostly of sugars.
C
Bones are made of layers.
D
Bones can have different shapes.
2
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The sternum is the flat bone in the middle of the chest that connects to the collar bones (clavicles) and the ribs.To which skeletal system does the sternum belong?

Question illustration
A
spongy skeleton
B
compact skeleton
C
axial skeleton
D
appendicular skeleton
3

A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be

A
not enough skin exposure to the sun to make Vitamin D.
B
weak ligaments.
C
an increase in the absorption of calcium in the digestive system.
D
weak tendons.
4

Which list shows three components of an organ system in order of least complex to most complex?

A
red blood cell, heart, tissue
B
skeleton, bone, bone cell
C
muscle cell, muscle tissue, stomach
D
lung, lung tissue, circulatory system
5

A sample of tissue has been observed to be tightly packed and regenerative. What type of tissue is the sample?

A
epithelial
B
connective
C
nervous
D
muscle
6

In order from less complex to more complex, which level of organization is directly after tissue?

A
organ
B
organ system
C
organism
D
organelle
7

The iris in the human eye contracts and expands, controlling the amount of light that reaches the retina. What types of muscle control this?

A
skeletal and voluntary
B
smooth and cardiac
C
skeletal and smooth
D
smooth and involuntary
8

Why might damage to the nervous tissue in the spinal cord lead to paralysis?

A
Damage results in the loss of signals to muscles that produce movement.
B
Damage results in the inability of the body to differentiate between voluntary and involuntary movement.
C
Damage results in the inability of the body to produce connective tissue to support movement.
D
Damage results in the decreased production of actin and myosin for contraction.
9

The tibia, or shin bone, has a large bump on the top that allows for ligaments to connect to the knee. What is this projection called?

A
foramen
B
fossa
C
tubercle
D
irregularity
10

Kyle explains that the body of an airplane is like the appendicular skeleton and the wings of an airplane are like the axial skeleton. Which demonstrates how he could change his statement so it is accurate?

A
Airplanes are not like skeletons.
B
The body of an airplane is like the axial skeleton, and the wings are like the appendicular skeleton.
C
The body of an airplane is like the appendicular skeleton, and the tail is like the axial skeleton.
D
Both the body and wings of an airplane are like the axial skeleton.
11

Which explains how the nervous system is typically involved in keeping the body in homeostasis?

A
It processes the environment and sends out signals.
B
It controls movement and provides structure.
C
It physically breaks down and absorbs food.
D
It puts oxygen in the blood, which is essential for life.
12

What is the name of the state you are in ,when you are maintaining a stable internal environment despite changing external conditions ?

A
Homeostasis
B
Temperature
C
Imbalance
D
Resting
13

A stroke occurs when a blood vessel in the brain becomes blocked or ruptures. One possible symptom of a stroke is the loss of the ability to speak normally. Based on this symptom, which type of tissue in the brain is most likely affected by a stroke?

A
connective tissue
B
epithelial tissue
C
muscle tissue
D
nervous tissue
14

Which shows three human body parts in order from the simplest level of organization to the most complex?

A
red blood cell → nervous system → bone tissue
B
nervous system → bone tissue → red blood cell
C
red blood cell → heart tissue → circulatory system
D
bone tissue → red blood cell → nervous system
15

How does the skeletal system help aid the body when it is sick?

A
physical protection of internal organs from disease-causing organisms
B
filtration of disease-causing organisms from the body
C
production of white blood cells that can destroy disease-causing organisms
D
storage of calcium that makes bones stronger and less prone to attack from disease-causing organisms
16

Ball-and-socket joints allow this gymnast to complete many of the routines that she performs. In which part of the body is a ball-and-socket joint found?

Question illustration
A
Joint A: wrist
B
Joint B: elbow
C
Joint C: hip
D
Joint D: knee
17

How is the skeleton similar to the frame of a house?

A
Both are made of calcium.
B
Both provide shape and support.
C
Both allow movement.
D
Both separate the structures into compartments.
18

After running, Ollie’s blood pressure was high. His nervous system sensed this and sent a message to decrease heart rate and blood flow.Which system worked together with the nervous system?

A
skeletal system
B
circulatory system
C
respiratory system
D
digestive system
19

The hairs on Xander’s arms just started lying flat against his skin. Which is most likely his internal body temperature?

A
35°C
B
36°C
C
37.5°C
D
38.5°C
20

Consider the skeleton. Which type of bone is indicated by the arrow?

Question illustration
A
long
B
irregular
C
flat
D
short

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