Which of the following is the name for the shaft of a long bone?
Diaphysis
Periosteum
Cortex
Osteoid
The Correct Answer is A
A. The diaphysis is the shaft of a long bone, the central part that extends between the two epiphyses (ends). It is primarily composed of compact bone and houses the bone marrow.
B. The periosteum is a dense layer of connective tissue that covers the outer surface of bones, except at the joints. It does not represent the shaft of the bone.
C. The cortex refers to the outer layer of the bone, specifically the compact bone that surrounds the spongy bone in the diaphysis. It is not synonymous with the shaft.
D. Osteoid is the organic matrix of bone tissue, composed of collagen and other proteins, but it does not refer to the shaft of a bone.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The spleen is a key component of the lymphatic system. It filters blood, removes old or damaged blood cells, and plays a role in immune function by storing white blood cells that fight infection.
B. The thyroid gland is an endocrine gland involved in regulating metabolism through the production of thyroid hormones, but it is not part of the lymphatic system.
C. The adrenal glands are also endocrine glands responsible for producing hormones like adrenaline and cortisol. They are not part of the lymphatic system.
D. The pancreas is an organ involved in digestion and blood sugar regulation through insulin production. It does not function within the lymphatic system.
Correct Answer is A
Explanation
A. Intrinsic factor is a glycoprotein produced by the stomach that binds to vitamin B12 and facilitates its absorption in the small intestine, particularly in the ileum. This is the correct answer.
B. Bile salts are involved in the digestion and absorption of fats, not vitamin B12.
C. Pepsin is an enzyme in the stomach that aids in the digestion of proteins but is not involved in vitamin B12 absorption.
D. Amylase is an enzyme that helps break down carbohydrates, not involved in the absorption of vitamin B12.
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.