Which of the following is characteristic of tetany?
Tetany is a symptom characterized by the involuntary contraction of muscles that usually results from low calcium levels in the blood (i.e., hypocalcemia). Common symptoms of tetany include numbness around the mouth, muscle cramps, and paresthesias affecting the hands and feet.
Which of the following conditions is characterized by being abnormally short in height?
Growth hormone deficiency (GHD), also known as dwarfism or pituitary dwarfism, is a condition caused by insufficient amounts of growth hormone in the body. Children with GHD have abnormally short stature with normal body proportions.
What are characteristics of the pituitary gland quizlet?
It has three lobes, anterior, intermediate and posterior lobes. What is the function of the pituitary gland? Secretes a number of hormones that regulate and control a number of other endocrine glands. Despite its importance the pituitary gland is no larger than a pea.
What is the difference between acromegaly and gigantism?
Gigantism occurs when growth hormone hypersecretion occurs before the fusion of the long bone epiphysis and is characterized by tall stature. Acromegaly occurs when GH hypersecretion occurs after the fusion of the epiphysis leading to large extremities and characteristic facies.
What are the symptoms of growth hormone deficiency?
A person who has too little adult growth hormone will have symptoms that include:
- A higher level of body fat, especially around the waist.
- Anxiety and depression.
- Decreased sexual function and interest.
- Fatigue.
- Feelings of being isolated from other people.
- Greater sensitivity to heat and cold.
- Less muscle (lean body mass)
What are the characteristics of the pituitary gland?
Your pituitary gland (also known as hypophysis) is a small, pea-sized gland located at the base of your brain below your hypothalamus. It sits in its own little chamber under your brain known as the sella turcica. It’s a part of your endocrine system and is in charge of making several essential hormones.
Which of the following is a characteristic of hormones quizlet?
Most hormones have common characteristics, including (1) secretion in small amounts at variable but predictable rates, (2) circulation through the blood, and (3) binding to specific cell receptors in the cell membrane or within the cell.
What are the important features of acromegaly?
In more than 9 out of 10 cases, acromegaly is caused by a tumor in the pituitary gland, called a pituitary adenoma. More rarely, the cause may be a tumor in another part of the body. Although scientists don’t know what causes these tumors to develop, genetic factors may play a role.
What is acromegaly characterized by?
Acromegaly is characterized by overgrowth of body tissues, including broadening and enlargement of facial features and an increase in the size of the hands and feet. The disorder is caused by prolonged, excessive secretion of growth hormone by the pituitary gland.
Which of the following is a symptom of acromegaly?
Symptoms of acromegaly swollen hands and feet – you may notice a change in your ring or shoe size. tiredness and difficulty sleeping, and sometimes sleep apnoea. gradual changes in your facial features, such as your brow, lower jaw and nose getting larger, or your teeth becoming more widely spaced.
What are four functions of the pituitary gland?
The main function of your pituitary gland is to produce and release several hormones that help carry out important bodily functions, including:
- Growth.
- Metabolism (how your body transforms and manages the energy from the food you eat).
- Reproduction.
- Response to stress or trauma.
- Lactation.
What are the three general characteristics of hormones?
General characteristics of hormones are as follows:
- Hormones are secreted by endocrine cells.
- Hormones are chemical messengers.
- The are chemical signals that circulate in the body fluids.
- The hormones regulate the behavior of the target cells.
- Hormones, unlike enzymes do not catalyze any reaction.
Which are characteristic of steroid hormones quizlet?
List the characteristics of steroid hormones. Steroid hormones are synthesized from cholesterol and is lipid soluble. (exception of retinoic acid) Steroid hormones can pass through the plasma membrane to bind to receptors in the cytoplasm or in the nucleus and stimulate transcription of certain genes.
How do you detect acromegaly?
After you’ve fasted overnight, your doctor will take a blood sample to measure the IGF-1 level in your blood. An elevated IGF-1 level suggests acromegaly. Growth hormone suppression test. This is the best method for confirming an acromegaly diagnosis.
What are some characteristics of acromegaly?
– Loss of vision – Enlarged hands and feet – Enlarged body organs including liver, spleen, kidney and heart – Irregular menstrual cycle and breast discharge in women – Impotence in men
Which physical findings are characteristic of acromegaly?
Acromegaly is a disorder that occurs when your body makes too much growth hormone (GH). Produced mainly in the pituitary gland, GH controls the physical growth of the body. In adults, too much of this hormone causes bones, cartilage, body organs, and other tissues to increase in size. Common changes in appearance include enlarged or swollen
What is the most common cause of acromegaly?
Hormone deficiency.
What are the complications of acromegaly?
– Severe headache may be seen as a complication of acromegaly. – As a complication of surgery or radiation therapy, acromegaly patients may develop hypopituitarism. This leads to severe decline in hormones secreted by the pituitary. – There is a risk of developing kidney failure.