100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Sample HOSA: Anatomy and Physiology: Certification Exam *Q&A* (100% Correct) 2025/2026 |VERIFIED| £7.29
Add to cart

Exam (elaborations)

Sample HOSA: Anatomy and Physiology: Certification Exam *Q&A* (100% Correct) 2025/2026 |VERIFIED|

 7 views  0 purchase
  • Module
  • HOSA
  • Institution
  • HOSA

Sample HOSA: Anatomy and Physiology: Certification Exam *Q&A* (100% Correct) 2025/2026 |VERIFIED| What is the primary function of hemoglobin in red blood cells? Hemoglobin binds to oxygen in the lungs and transports it to tissues, while also carrying carbon dioxide back to the lungs. ...

[Show more]

Preview 2 out of 15  pages

  • December 12, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • HOSA
  • HOSA
avatar-seller
Sample HOSA: Anatomy and
Physiology: Certification Exam *Q&A*
(100% Correct) 2025/2026 |VERIFIED|
What is the primary function of hemoglobin in red blood cells?

Hemoglobin binds to oxygen in the lungs and transports it to tissues, while also carrying carbon
dioxide back to the lungs.



Describe the process of synaptic transmission.

Neurotransmitters are released from synaptic vesicles in the presynaptic neuron and bind to
receptors on the postsynaptic neuron to propagate a signal.



What role does the hypothalamus play in regulating body temperature?

The hypothalamus acts as the body's thermostat, triggering mechanisms like sweating or
shivering to maintain homeostasis.



Identify the layers of the heart wall and their functions.

The epicardium (outer protective layer), myocardium (muscle for contraction), and endocardium
(inner lining).



Explain the function of surfactant in the lungs.

Surfactant reduces surface tension in the alveoli, preventing collapse during exhalation.



What is the role of the spleen in the circulatory and immune systems?

The spleen filters blood, removes old red blood cells, and helps mount an immune response.



How does the body compensate for a decrease in blood pH?

The respiratory system increases the rate of breathing to expel more CO2, and the kidneys
excrete hydrogen ions while retaining bicarbonate.


1

, What is the primary function of the large intestine in digestion?

To absorb water and electrolytes from indigestible food matter and form solid feces.



Define the difference between tendons and ligaments.

Tendons connect muscles to bones, while ligaments connect bones to other bones.



What are the functions of the parathyroid hormone (PTH)?

PTH regulates calcium levels by stimulating bone resorption, increasing calcium absorption in the
intestines, and reducing calcium excretion in the kidneys.



Explain the role of melanin in the skin.

Melanin protects the skin by absorbing harmful UV radiation and determining skin pigmentation.



What is the function of the epiglottis during swallowing?

The epiglottis closes over the trachea to prevent food and liquid from entering the airway.



Describe the cardiac conduction system and its components.

It includes the SA node, AV node, bundle of His, and Purkinje fibers, which coordinate heart
contractions.



What happens during the process of inspiration in the respiratory system?

The diaphragm and intercostal muscles contract, increasing thoracic cavity volume and drawing
air into the lungs.



What is the function of the myelin sheath in neurons?

The myelin sheath insulates axons, increasing the speed of nerve impulse transmission.



How do B cells and T cells differ in the immune response?


2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller StellarGrades. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £7.29. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

50990 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 15 years now

Start selling
£7.29
  • (0)
Add to cart
Added