What is the primary function of the pancreas in digestion?
Absorbing nutrients
Storing glycogen
Producing bile
Secreting digestive enzymes
The Correct Answer is D
A. Absorbing nutrients: Absorption is the primary function of the small intestine (specifically the jejunum and ileum), where nutrients pass through the villi into the bloodstream.
B. Storing glycogen: Glycogen storage primarily occurs in the liver and skeletal muscles. While the pancreas produces the hormones (insulin/glucagon) that tell these organs to store or release glycogen, the pancreas does not store it itself.
C. Producing bile: Bile production is the specific function of the liver. The gallbladder stores it, and the pancreas has nothing to do with bile production.
D. Secreting digestive enzymes: The pancreas has a crucial exocrine function where it produces "pancreatic juice." This cocktail contains powerful enzymes-amylase (for carbs), lipase (for fats), and proteases (for proteins)-which are released into the small intestine to break down food.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Insulin:Insulin is produced by the pancreas and regulates blood glucose levels. Low levels of insulin are associated with Diabetes Mellitus, not hypothyroidism.
B. Cortisol:Cortisol is a steroid hormone produced by the adrenal glands, largely in response to stress. Low levels are associated with adrenal insufficiency (Addison's disease).
C. Triiodothyronine (T3) and Thyroxine (T4):Hypothyroidism is defined by the underactive state of the thyroid gland, leading to insufficient production of thyroid hormones T3 and T4. These hormones regulate metabolism; when they are low, the body's metabolic processes slow down.
D. Thyroid-stimulating hormone (TSH):In the most common form of hypothyroidism (primary hypothyroidism), TSH levels are actually high. This is because the pituitary gland detects the low T3/T4 levels and secretes more TSH in an attempt to stimulate the sluggish thyroid gland. TSH would only be low in secondary hypothyroidism (pituitary failure), but T3/T4 are the direct measures of thyroid output.
Correct Answer is A
Explanation
A. Olfactory nerve (CN I):The Olfactory nerve is a pure sensory nerve responsible for the sense of smell. It is tested by asking the patient to identify common scents (like coffee or mint) with their eyes closed.
B. Facial nerve (CN VII):The Facial nerve controls facial expressions and provides taste sensation to the anterior two-thirds of the tongue, but it is not involved in smell.
C. Optic nerve (CN II):The Optic nerve transmits visual information from the eyes to the brain.
D. Trigeminal nerve (CN V):The Trigeminal nerve is responsible for facial sensation (touch/pain) and motor functions like chewing. It can sense the "sting" of ammonia (a pain response), but not actual odors.
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