The Basics Flashcards
Chemical messengers that travel in the bloodstream
Hormones
What are amino acids made of?
Tryptophan and Tyrosine
What are peptide hormones made of?
Amino acids
What are lipid hormones made of?
Triglycerides and Phospholipids
After a steroid hormone binds to its receptor, what happens?
Gene transcription is initiated
What gland is involved in complex responses of the endocrine and nervous system?
The hypothalamus
What is the outer part of the adrenal gland called?
Cortex
What is the inner part of the adrenal gland called?
Medulla
What are important hormones involved in growth?
Insulin, PTH, calcitriol, calcitonin, thyroid hormones, and reproductive hormones
Endocrine System
A chemical signaling system that uses hormones for long-distance communication, impacting growth, metabolism, and homeostasis
Normal pH of blood
7.35 - 7.45
T or F: Red Blood cells have a nucleus
F
What is a normal range for blood hemoglobin?
12 - 18 g/dL
Where does erythropoiesis take place?
Red Bone Marrow
For blood to coagulate, you need the plasma protein
Fibrinogen
Platelets are made from larger cells called
mega karyocytes
What are the formed elements in the blood?
- Platelets
- RBC’s
- WBC’s - Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils
What hormone controls RBC production?
erythropoietin
Antibodies
Proteins found in plasma. They are the defense mechanism, they recognize foreign substances and alert your immune system.
Antigens
Proteins found on the surface of RBC’s
