The iron-containing protein that carries oxygen in the blood is:
Hemoglobin
Antigen
Albumin
Bicarbonate ion
The Correct Answer is A
A. Hemoglobin is an iron-containing protein found in red blood cells. It binds to oxygen in the lungs and carries it through the bloodstream to tissues throughout the body.
B. Antigens are substances that can trigger an immune response, but they are not involved in carrying oxygen in the blood.
C. Albumin is a protein in the blood that helps maintain osmotic pressure and transports various substances, but it does not carry oxygen.
D. Bicarbonate ions are involved in carbon dioxide transport in the blood, not oxygen. They help regulate the pH of blood and facilitate CO₂ transport from tissues to the lungs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The septum refers to the nasal septum, which divides the nasal cavity into two nostrils. It is not part of the pharynx.
B. The oropharynx is located below the nasopharynx and serves as a passage for both air and food. It is not the most superior portion of the pharynx.
C. The nasopharynx is the most superior portion of the pharynx, located behind the nasal cavity and above the soft palate. It is primarily involved in the passage of air from the nasal cavity to the rest of the respiratory system.
D. The laryngeal pharynx (or hypopharynx) is the portion of the pharynx below the oropharynx, just above the larynx, and it
Correct Answer is D
Explanation
A. Apnea refers to a complete cessation of breathing, not just a decrease in depth and rate.
B. Hypoxemia is a condition characterized by low oxygen levels in the blood, but it does not specifically refer to breathing rate or depth.
C. Hypoxia is a broader term indicating low oxygen supply to tissues, which can result from various causes, including but not limited to respiratory issues.
D. Hypopnea specifically means shallow or slow breathing, indicating a reduction in both the rate and depth of respiration. It is often seen in sleep-related breathing disorders and can lead to decreased oxygenation.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.