Straighterline Anatomy and Physiology I Final Exam

pg. 1 Straighterline Anatomy and Physiology I Final Exam 2025 Test Bank With 230 Real Exam Prep Questions And Correct Verified Answers/ Straighterline A & P Final Exam 2025 Test Bank (Brand New!)

Which sentence best describes the sliding filament model of muscle contraction?

Select one:

• Actin and myosin filaments remain stationary.
• Actin and myosin myofilaments shorten.
• Sarcomeres and myofibrils contract.
• Sarcomeres and myofibrils lengthen.
• Sarcomeres and myofibrils contract. The shortening of sarcomeres is responsible

for contraction, and thus myofibrils (sarcomeres joined end to end) also shorten A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged by trauma due to a large population of which type of cell?

Select one:

• Schwann cells
• microglia
• oligodendrocytes
• ependymal cells
• microglia

The targeted response of the hormone lipotropin is an increase in which of the following?

Select one:

• the breakdown of fat in adipose tissues
• the breakdown of lipids and release of fatty acids from cells This is caused by

release of growth hormone.

• the production of milk in lactating women
• the secretion of thyroid hormone 1 / 4

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• the breakdown of fat in adipose tissues

What type of axons is found in a gray ramus comunicans?

Select one:

• myelinated, pre-ganglionic axons
• myelinated, post-ganglionic axons
• unmyelinated, pre-ganglionic axons
• unmyelinated, post-ganglionic axons
• unmyelinated, post-ganglionic axons

The lumbar region is the

• area in front of the elbow.
• chest area.
• lower back.
• bottom of foot.
• forearm.

Lower back The antecubital region is the

• area in front of the elbow.
• chest area.
• lower back.
• bottom of foot.
• forearm.

Area in front of the elbow The antebrachial region is the

• area in front of the elbow.
• chest area.
• lower back.
• bottom of foot.
• forearm.

Forearm The pectoral region is the

• area in front of the elbow.
• chest area. 2 / 4

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• lower back.
• bottom of foot.
• forearm.

Chest area The plantar surface is the

• area in front of the elbow.
• chest area.
• lower back.
• bottom of foot.
• forearm.

Bottom of the foot The brachial region is commonly known as the

• groin.
• buttock.
• breastbone.
• upper arm.
• naval.

Upper arm The inguinal region is commonly known as the

• groin.
• buttock.
• breastbone.
• upper arm.
• naval.

Groin The gluteal region is commonly known as the

• groin.
• buttock.
• breastbone.
• upper arm.
• naval.

Buttock 3 / 4

pg. 4 What is the smallest level of organization in the body that contains the body's genetic information?

• chemical
• cellular
• tissue
• organism

cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information.Which is an example of a normally occurring positive-feedback mechanism?

Select one:

• elevated blood pressure during exercise
• increase in heart rate after blood loss
• decrease in blood pressure after blood loss
• stretching of the uterus near the end of pregnancy
• stretching of the uterus near the end of pregnancy

Which of the following processes generates the most ATP within a human cell?

Select one:

• glycolysis
• lactic acid fermentation
• oxidative phosphorylation
• citric acid cycle
• oxidative phosphorylation

During DNA replication, how does each template strand eventually become two identical DNA molecules?

Select one:

• The two strands form continuously, catalyzed by DNA polymerase.
• The two strands form continuously, catalyzed by DNA ligase.
• One strand forms continuously, the other forms in short segments spliced by

DNA polymerase.

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