Exam 24: Nutrition,metabolism,and Body Temperature Regulation

Your car breaks down along the highway on a cold winter afternoon.As you wait for help to arrive,the temperature drops significantly inside the car.Describe two involuntary adjustments an adult body will make in order to maintain core body temperature.

Glycogen accounts for 80-85% of stored energy in the body.

While traveling abroad in Africa you observe a large number of people with goiter (enlarged thyroid).Which mineral deficiency could be responsible for this?

Glucose can be obtained from ________.

Many factors influence basal metabolic rate (BMR).What is the most critical factor?

Match the following: -Involves the removal of hydrogen electrons and CO₂ from the substrate molecule.

Match the following: -Formation of glucose from proteins or fats.

The major role of high-density lipoproteins (HDLs)is to store energy in the form of fat.

What are four possible complications of obesity from a medical standpoint?

Which of the following is a normal consequence of the activation of the heat-promoting center?

Except for lactose and some glycogen,the carbohydrates we ingest are mainly from animals.

In order for amino acids to be oxidized for energy,the amine group (NH₂)must be removed.

The amount of protein needed by each person is determined by their age,size,metabolic rate,and the need to build new proteins (whether the body is in positive nitrogen balance).

Figure 24.1 Using Figure 24.1, match the following: -Involves sugar activation,sugar cleavage,and oxidation and ATP formation.

Which of the choices below is NOT a mechanism of heat transfer used by the body?

Gluconeogenesis is the process in which ________.

Which of the following mechanisms produces the most ATP during cellular respiration?

Match the following: -Heat exchange when you are under a ceiling fan.

Peptides called NPY (neuropeptide Y)and AgRP (agouti-related peptides)are powerful appetite enhancers.

Match the following: -Storage of glucose in the form of glycogen.