EBK BIOLOGY
11th Edition
ISBN: 8220102797352
Author: Raven
Publisher: YUZU
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Chapter 47, Problem 4A
Summary Introduction
Introduction:
Obesity is a condition in which the body fat of a person reaches an unhealthy level. Such persons have a BMI (body mass index) of more than
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A person traveled to Asia and is having trouble with jet lag. What would be the best way to get used to their new schedule and why?
A.
This person likely has a problem with their thyroxine levels, and is therefore very tired.
B.
It’s likely that they have insufficient glucagon production, and that is why they’re so tired. Therefore, they need to eat some bread or rice.
C.
They should expose themselves to daylight as long as the sun is out to force their pineal gland to re-set its timing. This way, they’ll produce melatonin at the right time, and they’ll soon fall asleep when everyone else does in that Asian city.
D.
Both A and B are correct.
This hormone responds to the acidity of the chyme.
A. CKK
B. GIP
C. Secretin
D. Gastrin
4
ANSWER:
RATIO:
5. The following are appetite-regulating hormones, EXCEPT
A. PYY
B. Leptin
C. Motilin
D. Ghrelin
ANSWER:
RATIO:
6. Gluconeogenesis happens in
A. Blood
B. Muscle
C. Brain
D. Liver
ANSWER:
RATIO:
7. The major sitęs for glycogen storage.
A. Brain
B. Adipose tissue
C. Muscle and Kidney
D. Muscle and Liver
ANSWER:
RATIO:
8. A hormone responsible for maintaining blood glucose level by activation of gluconeogenesis.
A. Glucagon
B. Insulin
C. Glucose
D. Epinephrine
ANSWER:
RATIO:
9. A naturally occurring hormone that is used during the body's stress response.
A. Insulin
B. Glucagon
C. Epinephrine
D. Dopamine
ANSWER:
RATIO:
10. Cell drinking
A. Phagocytosis
B. Transcytosis
C. Exocytosis
D. Pinocytosis
Which of these does insulin do? A. It helps the intestines digest glucose. B. It helps glucose enter cells. C. It converts glucose into glutamate. D. It converts stored fats into glucose.
Chapter 47 Solutions
EBK BIOLOGY
Ch. 47 - How is the digestion of fats different from that...Ch. 47 - Although the stomach is normally thought of as the...Ch. 47 - After being absorbed through the intestinal...Ch. 47 - Which of these pairings is incorrect? a. Fat...Ch. 47 - Intestinal microorganisms aid digestion and...Ch. 47 - Prob. 6UCh. 47 - Which of the following represents the action of...Ch. 47 - Prob. 1ACh. 47 - The primary function of the large intestine is to...Ch. 47 - Inactive forms of some molecules are secreted a....
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- Which of the following statements about insulin is true? a. Insulin acts as a transport protein, cany in g glucose across the cell membrane. b. Insulin facilitates the movement of inti acellular glucose transporters to the cell membrane. c. Insulin stimulates the breakdown of stored glycogen into glucose. d. Insulin stimulates the kidneys to reabsorb glucose into the bloodstream.arrow_forwardWhen you open a pizza box, particles of the pizza enter the air around you, and enter your nose when you breathe in. Which of the following internal control systems is responsible for gathering information about the conditions inside and outside of the body? * A. Communicating system B. Control center C. Sensor D. Thalamus 2. Which of the following hormonal imbalance explains obesity among women? * A. Low level of estrogen weakens the bone. B. Excess levels of androgen make oil glands extra productive. C. Changing estrogen levels affecting serotonin or “happy hormone”. D. Decreasing estrogen level stimulates a craving for fatty, salty, and sweet foods.arrow_forwardWhat makes the blood abnormally acidic? A. Low levels of ketones B. high level of insulin C. Low level of insulin D. High level of ketones E. None of the abovearrow_forward
- In tests of Antabuse effectiveness, why are placebos so effective?A. Antabuse has no physiological effects.B. The chemicals used as placebos interact with liver enzymes.C. Antabuse is effective mainly by the threat of illness after drinking.D. Placebos tend to relieve pain.arrow_forwardWhat hormone is produced by beta cells of the pancreas? a. T3 b. glucagon c. insulin d. T4arrow_forward5arrow_forward
- A person forgets to eat breakfast one morning. How would this person's body respond to maintain blood sugar homeostasis? A. The pancreas would release insulin to signal the liver to release stored sugars. B. The pancreas would release glucagon to signal the liver to store blood sugars as glycogen. C. The pancreas would release insulin to signal the liver to store blood sugars as glycogen. D. The pancreas would release glucagon to signal the liver to release stored sugars.arrow_forwardObese people find it very difficult to lose weight permanently.This is due to several factors, including the fact thata. dieting triggers neophobia.b. the set point of obese people is lower than average.c. with dieting, metabolism increases.d. there is a genetic influence on body weight.arrow_forwardPeople with bulimia have elevated ghrelin levels. Is this abnormality a likely cause of bulimia? And what is the evidence? a. No. It is probably not a cause. The abnormality is common in the ethnic groups who are most likely to develop bulimia. b. No. It is probably not a cause. As people recover from bulimia, their ghrelin level returns toward normal. c. Yes. It is probably a cause. People who show high ghrelin early in life are likely to develop bulimia later. d. Yes. It is probably a cause. Inducing high ghrelin in rats causes the rats to develop bulimia.arrow_forward
- Which of the following statements about the pancreas is correct? Select one: A. Pancreatic duct cells are enzyme- producing cells. B. There are more exocrine cells than endocrine cells in the pancreas. C. Acinar cells are responsible for the production of bicarbonate ions. D. Pancreatic juice is produced by the islets of Langerhans. E. Trypsinogen in pancreatic juice can digest proteins into amino acids.arrow_forwardMany distance runners “carb load” the day before a big race. How does this eating strategy provide an advantage to the runner? a. The carbohydrates cause the release of insulin. b. The excess carbohydrates are converted to fats, which have a higher calorie density. c. The glucose from the carbohydrates lets the muscles make excess ATP overnight. d. The excess carbohydrates can be stored in the muscles as glycogen.arrow_forwardWhat evidence suggests that high ghrelin levels lead to weight gain in Prader-Willi syndrome? a. People with this syndrome continue to have high ghrelin levels regardless of whether they gain or lose weight. b. A mutated gene for melanocortin causes nearly 5 percent of cases of severe obesity. c. Ghrelin stimulates hunger-related neurons in the arcuate nucleus. d. People with Prader-Willi syndrome have other problems in addition to weight gain.arrow_forward
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